netdev - Re: [PATCH 3/4] net: lantiq: Add Lantiq / Intel vrx200 Ethernet driver

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Date:   Wed, 25 Jul 2018 17:28:57 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Hauke Mehrtens <hauke@...ke-m.de>
Cc:     davem@...emloft.net, netdev@...r.kernel.org,
        vivien.didelot@...oirfairelinux.com, f.fainelli@...il.com,
        john@...ozen.org, linux-mips@...ux-mips.org, dev@...sin.me,
        hauke.mehrtens@...el.com
Subject: Re: [PATCH 3/4] net: lantiq: Add Lantiq / Intel vrx200 Ethernet
 driver

> +	/* Make sure the firmware of the embedded GPHY is loaded before,
> +	 * otherwise they will not be detectable on the MDIO bus.
> +	 */
> +	of_for_each_phandle(&it, err, np, "lantiq,phys", NULL, 0) {
> +		phy_np = it.node;
> +		if (phy_np) {
> +			struct platform_device *phy = of_find_device_by_node(phy_np);
> +
> +			of_node_put(phy_np);
> +			if (!platform_get_drvdata(phy))
> +				return -EPROBE_DEFER;
> +		}
> +	}

Is there a device tree binding document for this somewhere?

   Andrew